package com.leilei.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.leilei.reggie.common.R;
import com.leilei.reggie.dto.DishDto;
import com.leilei.reggie.dto.SetmealDto;
import com.leilei.reggie.entity.Category;
import com.leilei.reggie.entity.Dish;
import com.leilei.reggie.entity.DishFlavor;
import com.leilei.reggie.entity.Setmeal;
import com.leilei.reggie.service.CategoryService;
import com.leilei.reggie.service.SetmealDishService;
import com.leilei.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 套餐管理
 */
@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {

    @Autowired
    private SetmealService setmealService;

    @Autowired
    private SetmealDishService setmealDishService;

    @Autowired
    private CategoryService categoryService;


    /**
     * 新增套餐
     * @param setmealDto
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto){

        log.info("套餐信息：{}",setmealDto);

        setmealService.saveWithDish(setmealDto);

        return R.success("新增套餐成功");
    }


    /**
     * 套餐分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){

        //构造分页构造器
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper();

        //添加查询条件，根据name进行模糊查询
        queryWrapper.like(name!=null,Setmeal::getName,name);

        //添加排序条件
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item)->{

            SetmealDto setmealDto = new SetmealDto();

            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);

            //分类id
            Long categoryId = item.getCategoryId();

            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);

            if (category!=null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;

        }).collect(Collectors.toList());

        dtoPage.setRecords(list);

        return R.success(dtoPage);
    }


    /**
     * 删除套餐
     * @param ids
     * @return
     */
    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids){

        log.info("ids:{}",ids);

        setmealService.removeWithDish(ids);

        return R.success("套餐数据删除成功");

    }


    /**
     * 修改套餐数据
     * @param setmealDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto){

        log.info("套餐信息：{}",setmealDto);

        setmealService.updateWithDish(setmealDto);

        return R.success("套餐数据修改成功");
    }


    /**
     * 根据id查询套餐信息和对应的菜品信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<SetmealDto> get(@PathVariable Long id){
        SetmealDto setmealDto = setmealService.getByIdWithDish(id);

        return R.success(setmealDto);
    }



    /**
     * 更新套餐为停售
     * @param ids
     * @return
     */
    @PostMapping("/status/0")
    public R<String> updateStatusStop(@RequestParam List<Long> ids){

        for (Long id : ids){

            Setmeal setmeal = setmealService.getById(id);

            if (setmeal.getStatus() == 1){

                setmeal.setStatus(0);

                LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper();

                queryWrapper.eq(Setmeal::getId,id);

                setmealService.update(setmeal,queryWrapper);

            }else {
                return R.error("当前已在停售状态，不可修改");
            }

        }

        return R.success("状态更新成功");

    }


    /**
     * 更新套餐为启售
     * @param ids
     * @return
     */
    @PostMapping("/status/1")
    public R<String> updateStatusStart(@RequestParam List<Long> ids){

        for (Long id : ids){

            Setmeal setmeal = setmealService.getById(id);

            if (setmeal.getStatus() == 0){

                setmeal.setStatus(1);

                LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper();

                queryWrapper.eq(Setmeal::getId,id);

                setmealService.update(setmeal,queryWrapper);

            }else {
                return R.error("当前已在启售状态，不可修改");
            }

        }

        return R.success("状态更新成功");

    }



    /**
     * 根据条件查询套餐数据
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal) {

        //构造查询条件
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper();

        queryWrapper.eq(setmeal.getCategoryId() != null, Setmeal::getCategoryId, setmeal.getCategoryId());

        //添加条件，查询状态为1(起售状态)的菜品
        queryWrapper.eq(setmeal.getStatus() != null, Setmeal::getStatus, setmeal.getStatus());

        //添加排序条件
        queryWrapper.orderByAsc(Setmeal::getStatus).orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);

        return R.success(list);
    }
}
